Biology; Chemistry; Physics: Post your doubts here!

[SalmanPakRocks]

http://www.britishcouncil.org/pakistan-exams-gce-forms.htm

 

[stareaj]

Why in the ATP chem potassium magnate co our changes from purple to pink in titration?and in exothermic reaction thus temp rise ?so in endo temp of surrounding and reaction decreases?:-/

 

[stareaj]

CAN SOMEONE PLEASEEEEEEE HELLLLLPPP ME IN MAGNETISM AND RADIOACTIVITY ANYONE HAS NOTES PLSSSSSSSSS NEED HELP I WILLBE REALLLY GRATEFULL

 

[JANSHER]

r dere any videos of chem which wud help me in dis subject

 

[stareaj]

hey how many of you severly DISLIKE the last few chapters of physics?

ME:-/

 

[hassan100]

CAN someone here tell me how to draw the dot cross diagram for H2O2 ?

 

[multixamza01]

CAN someone here tell me how to draw the dot cross diagram for H2O2 ?

Two oxygen in centre with single bond . one hydrogen single bonded with each oxygen.

 

[legion]

r dere any videos of chem which wud help me in dis subject

they are. for every topic. youtube.

 

[multixamza01]

r dere any videos of chem which wud help me in dis subject

type '' khan academy chemistry'' in the youtube search box .

 

[ignitorkhan]

Answering paper 1!
how mch time do we need to fill the answer sheet phy,chem, bio
......the shading part?
reply soon!

 

[legion]

i need solution tot his. explantion.. fasttttt please

 

[Iridescent]

i need solution tot his. explantion.. fasttttt pleaseView attachment 5622

Measure the length and divide it by the scale.

 

[legion]

Measure the length and divide it by the scale.

the length is 82 mm. but marking scheme says divide 56 by 0.1!!!!!!!!!!!

 

[Iridescent]

the length is 82 mm. but marking scheme says divide 56 by 0.1!!!!!!!!!!!

weird!

 

[legion]

weird!

its s11 paper 62
check it if u have time?

 

[Iridescent]

its s11 paper 62
check it if u have time?

ok

 

[Iridescent]

its s11 paper 62
check it if u have time?

Sorry bt i have no idea bout this!

 

[legion]

Sorry bt i have no idea bout this!

oh its okie
thanks for trying anyway =)

 

[XPFMember]

the length is 82 mm. but marking scheme says divide 56 by 0.1!!!!!!!!!!!

assalamoalaikum wr wb!
may be the difference is cuz it isnt the original paper! sometimes there may be such variations

 

[legion]

assalamoalaikum wr wb!
may be the difference is cuz it isnt the original paper! sometimes there may be such variations

wasalam
i was talking about measurement i took from paper uploaded at xtremepapers...